In the past， my hometown was very small， and people lived a poor life. The houses were old and small. Pollution was very serious， and there was rubbish everywhere. The traffic was not convenient， so few visitors came here.
You look tired. — I _____ to prepare for the final exam last night. A. picked up B. woke up C. stayed up D. put up【解析2】rise 增加；提高；增强；上升，升起ri
